Finding the Third Proportional to 5,530,499 and 8,372,610

Step by Step Solution

1. Step 1: Write the proportion equation
   5,530,499 : 8,372,610 = 8,372,610 : x
2. Step 2: Convert to fraction form
   5,530,499/8,372,610 = 8,372,610/x
3. Step 3: Cross multiply
   5,530,499x = 8,372,610 × 8,372,610
4. Step 4: Simplify right side
   5,530,499x = 70,100,598,212,100
5. Step 5: Solve for x
   x = 70,100,598,212,100/5,530,499
6. Step 6: Final answer
   x = 12,675,275.45